Male reproductive damage under heat wave conditions could be contributing to biodiversity declines in the Anthropocene.
A new study creates a red light district for flies.
Ducks are known for their bizarre corkscrew penises and complex vaginas.
You filthy animals.
It's one of the first times that scientists have filmed “sneaking” in the wild.
Fighters have bigger horns, but lovers have bigger testicles.
Climate change is cock-blocking cod, apparently.
A team of brave researchers are taking a close look at the violent mating habits of long-legged arachnids. These kinky daddies may be up to something evolutionarily advantageous.
A 2016 study says women who lose their unfaithful mate to another woman have adapted to cope with breakups in favorable ways. So when life gives you lemons…